What are the classifications of passenger elevators? Today, WEBSTAR will take you to find out:

AC elevator: An elevator that uses an AC induction motor as a driving force. According to the drag mode, it can be divided into AC single speed, AC double speed, AC voltage and speed regulation, AC variable voltage and frequency conversion speed regulation, etc.

DC elevator: an elevator that uses a DC motor as the driving force. The rated speed of this type of elevator is generally above 2.00m/s. Hydraulic elevator: Generally, an electric pump is used to drive liquid to flow, and a plunger lifts the car up and down.

Rack and pinion elevator: an elevator in which the guide rail is processed into a rack, the car is equipped with a gear that meshes with the rack, and the motor drives the gear to rotate to make the car go up and down.

Screw elevator: the plunger of the straight-top elevator is processed into rectangular threads, and then a large nut with thrust bearing is installed on the top of the cylinder, and then the nut is driven by the motor through the reducer (or belt) to rotate, so that the screw is lifted An elevator with a car ascending or descending.

For elevators driven by linear motors, the power source is linear motors. In the early days of elevators, steam engines and internal combustion engines were used as power to directly drive elevators, but they have basically disappeared.

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